Complex Fractions and Unit Rates

Front

What is a complex fraction?

Back

A complex fraction is a fraction where the numerator, the denominator, or both contain fractions.

Front

How do you simplify a complex fraction?

Back

To simplify a complex fraction, multiply the numerator and the denominator by the least common denominator (LCD) of the fractions involved.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a single unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate, divide the first quantity by the second quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 3 pounds of hamburger costs $6, what is the cost per pound?

Back

The cost per pound is $2.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the total cost for multiple units?

Back

Multiply the cost per unit by the number of units.

Tags

CCSS.7.EE.B.3

Front

What is the formula to find the total amount needed for a recipe?

Back

Total amount = (amount needed for one batch) / (portion of batch) * (number of batches).

Tags

CCSS.7.RP.A.2C

Front

How do you convert a complex fraction into a simple fraction?

Back

By simplifying the numerator and denominator separately and then dividing.

Front

What is the first step in solving a complex fraction?

Back

Identify the fractions in the numerator and denominator.

Front

If a recipe requires 2/3 cup of sugar for 1/3 batch, how much sugar is needed for 1 batch?

Back

2 cups of sugar are needed for 1 batch.

Tags

CCSS.7.RP.A.1